Cisco released the Visual Networking Index (VNI) Complete Forecast report with a forecast for the development of the Internet infrastructure and the device market with a connection to the Web.
It is expected that by 2021 the number of web users will reach 4.6 billion people against 3.3 billion in 2016. Thus, the share of the world's population with access to the Internet will increase from 44% to 58%.
According to Cisco experts, the average speed of access to the network by means of a broadband channel within five years will rise from 27.5 to 53.0 Mbit / s, that is, it will almost double.
The annual volume of Internet traffic will reach 3.3 zettabytes by 2021 (Zb, equal to 1021 bytes). For comparison: in 2016 this indicator was equal to 1.2 zettabytes. At the same time, about 80% of all traffic will be made by video in one form or another (67% last year).
It is also noted that in 2021, more than half of the 27.1 billion network devices and connections will be needed for inter-machine connections (M2M), which support the work of the Internet of things,.
In five years, 53% of all Internet traffic will generate Wi-Fi connections, another 20% - connections via cellular networks. Fixed lines will have only 27% of the total data flow. For comparison: last year these values ??were 52%, 10% and 38% respectively,.